Dear Customer,

We are writing to inform you that Soprano will be performing maintenance work on the Starhub Enterprise Messaging Suite between 01:00 AM and 04:00 AM (SGT) on Tuesday/18/12/2018.

See the summary below for further details.

Date: 18/Dec/2018

Time: 01:00 AM to 04:00 AM (SGT)

Impacted Services: All services will be impacted during the whole duration of this maintenance work. Prior to the date, please make sure below IP addresses has been whitelisted on your end.

For customer setting URL-forwarding on MO and DN : (including HTTP / REST server)

58.65.27.52

202.136.165.82

116.51.13.84

For customer using Inbound-forwarding / requesting report SFTP to their server

58.65.27.53

202.136.165.89

116.51.13.85

For customer having out-going firewall rules and calling SMPP / HTTPS / REST / SOAP API

sh1.enterprisemessaging-starhub.com

58.65.27.54

202.136.165.83

116.51.13.84

Description: Release of new Software version with patches and enhancements.

We apologize for any inconvenience this may cause and will email you at the beginning and end of the maintenance period. If you have any questions or concerns, please contact our support team at help@sopranodesign.com

Best Regards
Soprano Design